[FFmpeg-trac] #594(undetermined:new): Combination of transpose, scale, pad filters results in segfault

FFmpeg trac at avcodec.org
Wed Oct 26 17:14:39 CEST 2011


#594: Combination of transpose, scale, pad filters results in segfault
--------------------------------+----------------------------------------
             Reporter:  ignat   |                    Owner:
                 Type:  defect  |                   Status:  new
             Priority:  normal  |                Component:  undetermined
              Version:  0.8.5   |               Resolution:
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
--------------------------------+----------------------------------------

Comment (by ignat):

 Ffmpeg output with attached file:
 ffmpeg -v 9 -loglevel 99 -i rotate_x.mp4 -vcodec libx264 -r 20 -b 768k -bt
 768k -vf transpose=3,scale=152:270,pad=480:270:164:0 -s 480x270 -an
 -preset medium -fastfirstpass 1 -profile baseline -pass 1 -passlogfile
 result.mp4.passlogfile -f rawvideo -y /dev/null
 ffmpeg version 0.8.5, Copyright (c) 2000-2011 the FFmpeg developers
   built on Oct 17 2011 15:23:13 with gcc 4.1.2 20071124 (Red Hat 4.1.2-42)
   configuration: --prefix=/usr/local/media-utils --enable-libx264
 --enable-libmp3lame --enable-shared --enable-libfaac --enable-libopencore-
 amrnb --enable-libopencore-amrwb --enable-small --disable-ffserver
 --disable-ffplay --enable-memalign-hack --enable-gpl --enable-pthreads
 --extra-cflags=-I/usr/local/media-utils/include --extra-
 ldflags=-L/usr/local/media-utils/lib --enable-nonfree --enable-version3
 --disable-decoder=amrnb
   libavutil    51.  9. 1 / 51.  9. 1
   libavcodec   53.  7. 0 / 53.  7. 0
   libavformat  53.  4. 0 / 53.  4. 0
   libavdevice  53.  1. 1 / 53.  1. 1
   libavfilter   2. 23. 0 /  2. 23. 0
   libswscale    2.  0. 0 /  2.  0. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x89d03a0] Format mov,mp4,m4a,3gp,3g2,mj2
 probed with size=2048 and score=100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x89d03a0] ISO: File Type Major Brand: 3gp4
 [h264 @ 0x89d4a00] Unsupported bit depth: 0
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x89d03a0] All info found

 Seems stream 1 codec frame rate differs from container frame rate:
 60000.00 (60000/1) -> 30000.00 (60000/2)
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'rotate_x.mp4':
   Metadata:
     major_brand     : 3gp4
     minor_version   : 768
     compatible_brands: 3gp43gp6
   Duration: 00:00:01.17, start: 0.000000, bitrate: 11299 kb/s
     Stream #0.0(eng), 1, 1/16000: Audio: aac, 16000 Hz, mono, s16, 27 kb/s
     Stream #0.1(eng), 27, 1/30000: Video: h264, yuv420p, 1280x720,
 1/60000, 12667 kb/s, 28.85 fps, 30k tbr, 30k tbn, 60k tbc
 [buffer @ 0x89d0d40] w:1280 h:720 pixfmt:yuv420p tb:1/1000000 sar:0/1
 sws_param:
 [scale @ 0x89e5cc0] w:1280 h:720 fmt:yuv420p -> w:480 h:270 fmt:yuv420p
 flags:0x4
 [transpose @ 0x89d7160] w:480 h:270 dir:3 -> w:270 h:480
 rotation:clockwise vflip:1
 [scale @ 0x89d70c0] w:270 h:480 fmt:yuv420p -> w:152 h:270 fmt:yuv420p
 flags:0x4
 [pad @ 0x89d7820] w:152 h:270 -> w:480 h:270 x:164 y:0
 color:0x108080FF[yuva]
 [libx264 @ 0x89d14a0] using cpu capabilities: MMX2 SSE2Fast SSSE3
 FastShuffle SSE4.1 Cache64
 [libx264 @ 0x89d14a0] profile Constrained Baseline, level 2.1
 Output #0, rawvideo, to '/dev/null':
   Metadata:
     major_brand     : 3gp4
     minor_version   : 768
     compatible_brands: 3gp43gp6
     encoder         : Lavf53.4.0
     Stream #0.0(eng), 0, 1/90000: Video: libx264, yuv420p, 480x270, 1/20,
 q=2-31, pass 1, 768 kb/s, 90k tbn, 20 tbc
 Stream mapping:
   Stream #0.1 -> #0.0
 Press [q] to stop, [?] for help
 Segmentation fault

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/594#comment:1>
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